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Finding the Fourth Proportional to 33.64, 49.76 and 33.64

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Solution

The fourth proportional to 33.64, 49.76 and 33.64 is: 49.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.64 : 49.76 = 33.64 : x
  2. Step 2: Convert to fraction form
    33.64/49.76 = 33.64/x
  3. Step 3: Cross multiply
    33.64x = 49.76 × 33.64
  4. Step 4: Simplify right side
    33.64x = 1,673.93
  5. Step 5: Solve for x
    x = 1,673.93/33.64
  6. Step 6: Final answer
    x = 49.76

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.